Solar Impulse 2 has landed in Hawaii after completing its record-breaking longest leg of the Round the World Solar Flight, that began last March in Abu Dhabi.
The plane powered by the sun's rays made a 5,000-mile journey nonstop
In an enormous victory for solar energy, Solar Impulse 2 successfully landed in Kalaeloa, Hawaii at 11:54 EST, bringing it one enormous leg closer to circumnavigating the globe. It did this without using a drop of fuel, and is the first plane of its
A solar-powered Swiss airplane is scheduled to touch down in Hawaii Friday after a record-breaking flight across the Pacific Ocean, the riskiest leg of its 35,000-kilometer trip around the world without a drop of fuel.
The U.S. military is reportedly developing a hypersonic jet plane that could soar at up to five times the speed of sound -- faster than a bullet, which generally travels at Mach 2, or twice the speed of sound.